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Biochemical instrument refrigeration system with semiconductor refrigeration chip

A refrigeration chip and refrigeration system technology, which is applied in refrigeration and liquefaction, the operation mode of refrigerators and machines, etc., can solve the problems of large volume, slow refrigeration time, complex structure, etc., and achieves easy maintenance and fast refrigeration and heating time. , the effect of small size

Inactive Publication Date: 2010-09-01
深圳市普康电子有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Defects or insufficiencies in the prior art require refrigerant, complex structure, large volume, difficult installation, high cost, noise during operation, slow refrigeration time, not suitable for refrigeration of small instruments

Method used

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  • Biochemical instrument refrigeration system with semiconductor refrigeration chip
  • Biochemical instrument refrigeration system with semiconductor refrigeration chip

Examples

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Embodiment Construction

[0015] The present invention is described by examples below, and it should be noted that the examples listed should not be construed as limiting the invention.

[0016] As shown in the figure: a biochemical instrument refrigeration system with a semiconductor refrigeration chip, which includes a semiconductor refrigeration chip 2, a heat dissipation module and a thermal sensor, the chassis of the biochemical instrument reagent plate 1 is in close contact with the cold end of the semiconductor refrigeration chip 2, so The hot end of the semiconductor cooling chip 2 is in contact with the heat dissipation module, and the thermal sensor is connected to control the semiconductor cooling chip 2 . In this embodiment, four semiconductor cooling chips 2 with an input power of 60W are used to cool the reagent plate 1 through the heat-conducting aluminum of the reagent plate chassis, and the temperature is controlled in the range of 4-15 degrees. The input voltage is 12V, and the coolin...

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Abstract

The invention discloses a biochemical instrument refrigeration system with a semiconductor refrigeration chip, which comprises the semiconductor refrigeration chip, a heat radiating module and a heat-sensitive sensor. The bottom of a reagent disc of the biochemical instrument is in close contact with a cold end of the semiconductor refrigeration chip; a hot end of the semiconductor refrigeration chip is contacted with the heat radiating module; and the heat-sensitive sensor is connected with the semiconductor refrigeration chip for control. In the invention, the refrigeration is mainly realized through the semiconductor refrigeration chip; the cold end is in close contact with the bottom of the reagent disc for heat absorption, so that the temperature in the reagent disc drops continuously; the hot end is radiated and cooled through a fan and a heat radiating plate; and the operation of the semiconductor refrigeration chip is controlled through the heat-sensitive sensor so as to control the refrigeration of the reagent disc. The system has the advantages of small thermal inertia of the semiconductor refrigeration chip, short refrigeration / heating time, long service life, convenient maintenance, small volume, no need of refrigerants, simple structure, easy installation, low cost and no noise.

Description

technical field [0001] The invention relates to a biochemical instrument refrigeration system, in particular to a biochemical instrument refrigeration system with a semiconductor refrigeration chip that does not require any refrigerant, has no vibration, no noise, long life, low cost and simple installation. Background technique [0002] The existing semi-automatic or fully automatic biochemical analyzers all adopt the traditional principle of absorption refrigeration. [0003] The absorption refrigeration device is composed of generators, condensers, evaporators, absorbers, circulating pumps, throttle valves and other components. The absorbent that desorbs the refrigerant, and the two form a working fluid pair. The dilute mixed solution is heated in the generator, and a certain flow of refrigerant vapor is separated and enters the condenser. The vapor is cooled in the condenser and condenses into a liquid state; the liquid refrigerant enters the evaporator after throttling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B21/02
Inventor 李邦富欧泽民
Owner 深圳市普康电子有限公司
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